2012030321322 has 16 divisors (see below), whose sum is σ = 4598926448832. Its totient is φ = 574865806080.

The previous prime is 2012030321321. The next prime is 2012030321351. The reversal of 2012030321322 is 2231230302102.

It is a happy number.

It is a super-2 number, since 2×2012030321322² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2012030321321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23952741879 + ... + 23952741962.

It is an arithmetic number, because the mean of its divisors is an integer number (287432903052).

Almost surely, 2^{2012030321322} is an apocalyptic number.

2012030321322 is an abundant number, since it is smaller than the sum of its proper divisors (2586896127510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2012030321322 is a wasteful number, since it uses less digits than its factorization.

2012030321322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47905483853.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2012030321322 its reverse (2231230302102), we get a palindrome (4243260623424).

The spelling of 2012030321322 in words is "two trillion, twelve billion, thirty million, three hundred twenty-one thousand, three hundred twenty-two".